2020-12-29 21:21:00 -06:00
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#!/usr/bin/python3
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2020-12-29 22:45:30 -06:00
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######################################################################
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#
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# Publish get_status info to a MQTT broker.
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#
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# This script pulls the current status once and publishes it to the
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# specified MQTT broker.
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#
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######################################################################
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2020-12-29 21:21:00 -06:00
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import paho.mqtt.publish
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import grpc
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import spacex.api.device.device_pb2
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import spacex.api.device.device_pb2_grpc
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with grpc.insecure_channel('192.168.100.1:9200') as channel:
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stub = spacex.api.device.device_pb2_grpc.DeviceStub(channel)
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response = stub.Handle(spacex.api.device.device_pb2.Request(get_status={}))
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status = response.dish_get_status
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# More alerts may be added in future, so rather than list them individually,
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# build a bit field based on field numbers of the DishAlerts message.
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alert_bits = 0
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for alert in status.alerts.ListFields():
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alert_bits |= (1 if alert[1] else 0) << (alert[0].number - 1)
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topicPrefix = "starlink/dish_status/" + status.device_info.id + "/"
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msgs = [(topicPrefix + "hardware_version", status.device_info.hardware_version, 0, False),
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(topicPrefix + "software_version", status.device_info.software_version, 0, False),
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(topicPrefix + "state", spacex.api.device.dish_pb2.DishState.Name(status.state), 0, False),
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(topicPrefix + "uptime", status.device_state.uptime_s, 0, False),
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(topicPrefix + "snr", status.snr, 0, False),
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(topicPrefix + "seconds_to_first_nonempty_slot", status.seconds_to_first_nonempty_slot, 0, False),
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(topicPrefix + "pop_ping_drop_rate", status.pop_ping_drop_rate, 0, False),
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(topicPrefix + "downlink_throughput_bps", status.downlink_throughput_bps, 0, False),
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(topicPrefix + "uplink_throughput_bps", status.uplink_throughput_bps, 0, False),
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(topicPrefix + "pop_ping_latency_ms", status.pop_ping_latency_ms, 0, False),
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(topicPrefix + "alerts", alert_bits, 0, False),
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(topicPrefix + "fraction_obstructed", status.obstruction_stats.fraction_obstructed, 0, False),
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(topicPrefix + "currently_obstructed", status.obstruction_stats.currently_obstructed, 0, False),
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# While the field name for this one implies it covers 24 hours, the
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# empirical evidence suggests it only covers 12 hours. It also resets
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# on dish reboot, so may not cover that whole period. Rather than try
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# to convey that complexity in the topic label, just be a bit vague:
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(topicPrefix + "seconds_obstructed", status.obstruction_stats.last_24h_obstructed_s, 0, False),
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(topicPrefix + "wedges_fraction_obstructed", ",".join(str(x) for x in status.obstruction_stats.wedge_abs_fraction_obstructed), 0, False)]
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paho.mqtt.publish.multiple(msgs, hostname="localhost", client_id=status.device_info.id)
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